Automatic telephone billing system



`urne 3,1952

Filed Feb. 23, 1946 C. E. BROOKS ET AL AUTOMATIC TELEPHONE BILLING SYSTEM '78 Sheets-Sheet l H64 H65 H66 H67 H62 H63 H66 H69 H6/0 H64/ F/G- /A H6. /2 H6. /3 H6. /4 H664 H665 H6. /5 H6. /6 H6/7 H6. 66 H667 H6./6 H6./9 H620 H666 H669 H62/ H622 H623 H6. 70 H67/ H624 H625 H635 H672 H673 H626 H636 H637 H636 H627 H639 H640 H64/ H626 H642 H643 H644 H620 H645 H646 H647 H674 H630 H646 H649 H650 H675 H65/ H65/ H652 H653 H676 H632 H654 H655 H656 H677 H633 H634 H657 H656 H659 H676 H660 /-"/6. 6/ H662 H663 NVEN To W. ///gggE/P By C. )71M A TTORNEV c. BROOKS ET A1. 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM '78 Sheets-Sheet 2 June 3, 1952 Filed Feb, 25, 194e ATTORNEY June 3, 1952 c. E. BROOKS ET AL 2,599,357

' AUTOMATIC TELEPHONE BILLING SISTEM Filed Feb. 25, 1946 78 Sheets-Sheet 5 ATTORNE V Jungs; 1952 Filed Feb. 25, 1946 C. E. BROOKS ET AL AUTOMATIC TELEPHONE BILLING SYSTEM 78 Sheets-Sheet 4 TIME eff BROOKS A 7' TURA/EV June 3, 1952 c. E. BROOKS ET A1. 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM Filed Feb. 2s, 194e 78 sheets-sheet 5 c ERoo/fs MEMO w. w. CARPE/v TER 5y am A T TOP/VE V June 3, 1952 c. E. BROOKS ET AL AUTOMATIC TELEPHONE BILLING SYSTEM 78 Sheets-Sheet 6 Filed Feb. 25, 1946 IIHII IlHl' c. EBR 00A/5 w. W, CARPE/y TER /Nl/ENTORS y C. )um

A TTO'Q/VEV June 5,1952 C, E BROOKS ETAL 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM ATTORNEY June 3, 1952 c. BROOKS ET AL 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM Filed Feb. 23, 1946 78 Sheets-Sheet 8 c ERoo/fs NVENTORSBVW w. CARPEN TER ATTORNEY June 3 1952 c. E. BROOKS ET AL 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM Filed Feb. 25, 1946 78 Sheets-Sheet 9 f"'" 'Q -Z' By C.

A TTORNEV June 3 i952 c. E. BROOKS ET A1. 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM Filed Feb. 2s, 194e 7s sheets-sheet Io cfRoo/fs NVM To W. w. CARPENTER A TTORNEV June 3, 1952 C E BROOKS ET AL 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM Filed Feb. 23, 1946 l 78 Sheets-Sheet ll e5@ HW- l ,TI l

C. E. BROOKS ET AL AUTOMATIC TELEPHONE BILLING S-YSTEM 78 Sheets-Sheet l2 QQQ WIN lbn CEBROKS W. W. CARPENTE@ BV d v a! ATTOfQ/VFV June 3, 1952 Filed Feb. 25, 1946 June 3, 1952 c. E. BROOKS ET Al. 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM Filed Feb. 25, 194s 78 sheets-sheet 13 c. BROOKS NVEN To w. w. CARPENTER .By ehm A TTOPA/E V June 3, 1952 c. E. BRooKs ET AL 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM I Filed Feb. 2s, 194e 78 sheets-sneet 14 W. W.CARPEN7'ER @y c. mmf,

ATTORNEY June 3, 1952 c. E. BROOKS ET AL 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM Filed Feb. 23, 1946 y 78 Sheets-Sheet 15 F/G. f5

LEVEL s LEVEL a cfRoo/f NVENTORS W. w. CARPENTER June 3, 1952 Filed Feb. 25, 1946 SECONDARY SW/TC/-l 9 C.E.BROOKS ETAL AUTOMATIC TELEPHONE BILLING SYSTEM SECONDARY SW/ TCH 6 78 Sheets-Sheet 16 June 3 l952 c. E. BROOKS ET AL AUTOMATIC TELEPHONE BILLING SYSTEM 78 Sheets-Sheet 17 Filed Feb. 23, 1946 .Pri

cl-.BROOKS W. W. CA @PEN TER 5" C. )mmv /NVE/VTORS ATTORNEV June 3, 1952 c. E. BROOKS ET AL 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM n I Filed Feb. 2s, 194e 78 sheets-sheet 18 F/G. LEVEL l I SWITCH 0 /N VEA/TOPS W. w. CAP/DEN TER June 3, 1952 c. E. BROOKS ET AL 2,599,357

AUTOMATIC TELEPHONE BILLING SYSTEM Filed Feb. 25, 1946 78 Sheets-Sheet 19 /NVENTORS CEBRO0K$ W W CARPENTER BV C. )mll A TTORNE Y June 3, 1952 c. E. BROOKS ET AL AUTOMATIC TELEPHONE BILLING' SYSTEM 78 Sheets-Sheet 2O Filed Feb. 25, 1946 Sme mibbl hi UK.

CEBRoo/fs W. W. CARPENTER /Nl/E/VTORS ATTORNEY 

